Same as precipitation- effectiveness index.

A bulkhead, frame, or longitudinal stiffener, running fore and aft.

(1) An engine. (2) The act of using an engine to move a boat.

A device used to regulate motor speed, or, in a wind energy conversion system, to control the rotational speed of the rotor.

A type of heating appliance that performs more than one function, for example space and water heating.

A solar energy collection device consisting of containers of water located on a roof that absorb solar energy during the day so that the heat can be used at night or that cools a building by evaporation at night.

The quantity of heat required to change the temperature of one unit weight of a material by one degree.

A gaseous environment containing hydrogen sulfide and carbon dioxide in hydrocarbon reservoirs. Prolonged exposure to sour gas can lead to hydrogen damage, sulfide-stress cracking, and/or stress-corrosion cracking in ferrous alloys.

A type of modulation in which the frequency of a continuous radio carrier wave is varied in accordance with the properties of a second (modulating) wave.

The point (physical and/or electrical) where two distinct data processing elements meet.

International standard serial number

A form of property insurance which provides cover against such items as damage to the building,.

That amount of time that a carrier's equipment may be used without incurring additional charges. (See Storage, Demurrage or Per Diem.)

The device that reduces the pressure of liquid refrigerant thereby cooling it before it enters the evaporator coil in a heat pump.

A worn out vessel.

The top of a wheelhouse, forecastle, etc., having the form of a turtle's back.

An electronic 'stock market' service owned by Reuters which enables members to display bid and offer.

1.06 liquid U.S. quarts or 33.9 fluid ounces.

Same as hydrogen embrittlement.

(1) Decomposition or alteration of a chemical substance by water. (2) In aqueous solutions of electrolytes, the reactions of cations with water to produce a weak base or of anions to produce a weak acid.